
statement: 打印 {语句} ->
(write-line {语句})

statement: {a}加上{b} ->
(+ {a} {b})

statement: {a}减去{b} ->
(- {a} {b})

statement: {a}乘以{b} ->
(* {a} {b})

statement: {a}除以{b} ->
(/ {a} {b})

statement: 定义全局变量{a}为{b} ->
(defparameter {a} {b})

statement: 定义{a}的{函数}为{b} ->
(defun {函数}({a}) {b})

statement: 定义{a}与{b}的{函数}为{c} ->
(defun {函数}({a} {b}) {c})

statement: {a}的{函数} ->
({函数} {a})

statement: {a}与{b}的{函数} ->
({函数} {a} {b})

statement: 格式化输出{a} ->
(format nil "~%~S" {a})

